CN106034219A - Article detection system and detection method - Google Patents
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- 238000000605 extraction Methods 0.000 claims description 7
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Abstract
Provided are an article detection system and a detection method. The invention provides an article detection system, which comprises an X-ray machine, an image input module, a data acquisition module, an image processing module, an image output module and a display device, wherein the image input module is used for receiving an X-ray image signal of the X-ray machine and transmitting the X-ray image signal to the data acquisition module; the data acquisition module is used for acquiring the X-ray image signals transmitted by the image input module and transmitting the acquired X-ray image signals to the image processing module; the image processing module is used for carrying out image signal enhancement on the X-ray image signal and transmitting the enhanced X-ray image signal to the image output module; the image output module is used for outputting the X-ray image signals processed by the image processing module to a display device, and the display device is used for displaying the X-ray image signals.
Description
Technical field
The present invention relates to Articles detecting field, particularly relate to a kind of item detection systems and article detection method.
Background technology
Traditional X-ray photoimaging methods is different to absorption, the emissivity of ray according to various article, and according to atomic number and the difference of article density, X-ray can carry out imaging to article, this formation method is it is to be appreciated that X-ray machine bottom data communications protocol, and carry out complicated computing according to the bottom data communications protocol of X-ray machine, thus generate x-ray image.
This formation method limits the utilization of X-ray machine with universal.The X-ray machine of existing system, preservation, playback to existing X-ray machine image have many restrictions.Especially when X-ray machine distributes multiple display screen, all display screens can only show same picture simultaneously, during as played back, all display screens all show the picture of playback, and the display that now need not display playback picture then can only passively accept playback information.In like manner, when showing in real time, all displays can only show the real-time pictures of X-ray machine simultaneously, and when some display need display playback picture, reception real-time pictures that also can only be passive.At present, problem above to be solved, only by additionally buying X-ray machine, a corresponding display screen of X-ray machine solves, and so can increase the cost of system greatly.
Summary of the invention
Present invention aim at offer one can be when using an X-ray machine, and multiple X-ray machine screens can be to X-ray machine image each carries out real-time play, the item detection systems playing back and storing.
For achieving the above object, the present invention proposes a kind of item detection systems and includes X-ray machine, graphics processing unit and display unit；X ray machine is used for producing X-ray, is penetrated the thing to be detected being placed on X-ray machine belt by X-ray to obtain the x-ray image signal of thing to be detected；Graphics processing unit is for gathering x-ray image signal and processing image and the output of image；Display unit is used for X light image signal；Graphics processing unit includes image input module, data acquisition module, image processing module and image output module；Wherein, image input module is for receiving the x-ray image signal of X-ray machine, and x-ray image signal is sent to data acquisition module；Data acquisition module is for gathering the x-ray image signal that image input module sends, and the x-ray image signal collected is sent to image processing module；Image processing module for carrying out picture signal reinforcement to x-ray image signal, and the x-ray image signal strengthened is sent to image output module；Image output module exports to display unit for the x-ray image signal that will process through image processing module.
In above-mentioned item detection systems, described image input module includes video frequency dividing submodule and VGA video-out port, described video frequency dividing submodule for becoming at least two-way x-ray image signal by x-ray image signal replication, and x-ray image signal is sent to VGA video-out port carries out x-ray image signal output.
In above-mentioned item detection systems, described data acquisition module includes acquisition module, data sub module stored and cache element.
In above-mentioned item detection systems, described data sub module stored is mechanical hard disk and/or electronic hard disc.
In above-mentioned item detection systems, described image processing module includes DSP image procossing submodule and GPU image procossing submodule, and x-ray image signal first passes through and is sent to GPU image procossing submodule after DSP image procossing submodule carries out pretreatment and carries out classification and Detection process.
In above-mentioned item detection systems, described pretreatment includes the conversion of color of image space, picture signal enhancing, image segmentation, Edge extraction etc..
Above-mentioned item detection systems, described image output module includes video frequency dividing submodule and VGA video-out port, described video frequency dividing submodule for becoming at least two paths of signals output by the signal replication that described image output module exports, and x-ray image signal is sent to VGA video-out port carries out x-ray image signal output.
In above-mentioned item detection systems, described display unit includes at least two display device, and the quantity of described display device is more than or equal to the number of x-ray image signal.
In above-mentioned item detection systems, described display device is display screen and/or display terminal.
In above-mentioned item detection systems, described display terminal is panel computer and/or smart mobile phone.
The present invention another object be to propose a kind of article detection method and include:
A) picture signal of detectable substance is obtained by radiation ray Scanning Detction thing；
B) by the picture signal of data collecting module collected detectable substance；
C) by image processing module, the picture signal of detectable substance carried out pretreatment and classification processes；
D) by image output module, the detectable substance picture signal after processing is carried out the detectable substance image after replicating operation and processing and be sent to display unit；
E) picture signal of the detectable substance received by display unit display.
In above-mentioned article detection method, pretreatment described in step c) includes the conversion of color of image space, image enhaucament, image segmentation, Edge extraction etc..
In above-mentioned article detection method, the number after detectable substance image is replicated by image output module described in step d) keeps consistent with the quantity of the display device in display unit, and the image of the detectable substance of a independent completion of each display device transmission.
Item detection systems and the detection method of the present invention are sent respectively to different display screens by the x-ray image after the x-ray image of detection article being copied into the many parts of identical x-ray images detecting article and replicating, individually control the display content of each display screen, such that it is able in the case of currently using an X-ray machine in fact, it is achieved the respective x-ray image to detection article of different display screens carries out real-time play, the function playing back and storing respectively.
Accompanying drawing explanation
Fig. 1 is the simplification top view of the item detection systems in one specific embodiment of the present invention；
Fig. 2 is the structure chart of the image capture module in one specific embodiment of the present invention；
Fig. 3 is the flow chart of the item detection systems work in one specific embodiment of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and compare the detailed description of the invention that the present invention makees by accompanying drawing and further describe.Following example are merely to illustrate the present invention, but are not limited to the scope of the present invention.
As depicted in figs. 1 and 2, X-ray machine produces the image of detection article by transmitted radiation (such as X-ray) scanned item (such as one luggage or the object of other detections).X-ray scanning detecting system is the X-ray that will transmit through inspected object through in detector, according to its Strength Changes, the Density Distribution in reaction inspected object, and transmitted intensity becomes gradation of image, thus obtains the fluoroscopy images of inspected object.The item detection systems of the present invention includes X-ray machine, graphics processing unit and display unit；X ray machine is used for producing X-ray, is penetrated the thing to be detected being placed on X-ray machine belt by X-ray to obtain the x-ray image signal of thing to be detected；Graphics processing unit is for gathering x-ray image signal and processing image and the output of image；Display unit is used for X light image signal；Graphics processing unit includes image input module, data acquisition module, image processing module and image output module；Wherein, image input module is for receiving the x-ray image signal of X-ray machine, and x-ray image signal is sent to data acquisition module；Data acquisition module is for gathering the x-ray image signal that image input module sends, and the x-ray image signal collected is sent to image processing module；Image processing module for carrying out picture signal reinforcement to x-ray image signal, and the x-ray image signal strengthened is sent to image output module；Image output module exports to display device for the x-ray image signal that will process through image processing module.
Image input module in the present invention includes video frequency dividing submodule and VGA video-out port, described video frequency dividing submodule for becoming at least two-way x-ray image signal by x-ray image signal replication, and through VGA video-out port, x-ray image signal is carried out X picture signal output.
Data acquisition module in the present invention includes acquisition module, data sub module stored and cache element.
Data sub module stored in the present invention is mechanical hard disk and/or electronic hard disc.
Image processing module in the present invention includes DSP image procossing submodule and GPU image procossing submodule, and x-ray image signal first passes through and is sent to GPU image procossing submodule after DSP image procossing submodule carries out pretreatment and carries out image classification process.Pretreatment in the present invention includes the conversion of color of image space, picture signal enhancing, image segmentation, Edge extraction etc..The conversion of color of image space is that the color data RGB system of image is transformed into HIS system, is made the expression of tone drop to one-dimensional to meet the visual law of human eye from three-dimensional by conversion.It is the coloured image apparent in order to obtain details that picture signal strengthens, first it is HIS model by the RGB model conversion of coloured image, then luminance signal therein is carried out histogram modification, tone and saturation are not done and are changed, and finally retelling enhanced HIS model conversion is that RGB model shows.The purpose of image segmentation is target and background to be separated, and provides foundation for follow-up feature extraction and Classification and Identification.Dividing method mainly has threshold method, edge detection method and area tracking method etc..First enhanced coloured image carrying out gray processing, then uses rectangular histogram to pay partitioning algorithm in advance on the basis of gray level image, prospect is set to white, background is set to black, the most again on the basis of bianry image, extracts the edge of target further.The item detection systems of the present invention uses support vector machine (SVM) and degree of depth learning algorithm to classify detectable substance.Image processing module in the item detection systems of the present invention uses DSP image procossing submodule and GPU image procossing submodule to be each responsible for that image carries out pretreatment and classification processes and improves the item detection systems disposal ability to image, also reduces the hardware cost of system simultaneously.
Image output module in the present invention includes video frequency dividing submodule and VGA video-out port, described video frequency dividing submodule for becoming at least two paths of signals output by the signal replication that described image output module exports, and general's wherein road x-ray image signal is sent to VGA video-out port and carries out signal output.
The quantity of the display device in the present invention keeps consistent with the number of x-ray image signal replication.Display device is display screen and/or display terminal.Display terminal in the present invention is panel computer and/or smart mobile phone.As a example by Fig. 1, one specific embodiment of the present invention includes an X-ray machine and two display devices, graphics processing unit carry out being processed after pretreatment and classification process to it after the x-ray image signals collecting of X-ray machine being come after x-ray image, then carry out x-ray image replicating operation, obtain two parts of the same x-ray images, a copy of it x-ray image is sent to the first display screen, and another part of x-ray image is sent to second display screen.Can control the first display screen according to actual needs and detect images of items for real-time play, second display screen is for playing back the image of detection article.The item detection systems of the present invention can also be arranged as required to three, four, five or more display screen, x-ray image after processing accordingly is copied into three parts, four parts, five parts or more part, multiple display screens can show the x-ray image of duplicate article simultaneously, it is possible to shows the x-ray image of diverse article as required.Or some display screens show the x-ray image of identical article, and other display screens show the x-ray image of the article different from aforementioned display screen.
As shown in Figure 3, a kind of article detection method of the present invention includes the picture signal being obtained detectable substance by radiation ray Scanning Detction thing, the present invention use X-ray machine Scanning Detction thing to obtain the x-ray image signal of detectable substance, the present invention can use monoergic X-ray machine, it would however also be possible to employ dual energy X-ray machine；Picture signal S01 by data collecting module collected detectable substance；By image processing module, the picture signal of detectable substance carried out pretreatment S02 and classification processes S03, pretreatment in the present invention includes the conversion of color of image space, image enhaucament, image segmentation, Edge extraction etc., and the image classification in the present invention uses support vector machine and degree of depth learning algorithm automatically to classify detectable substance image；Carry out replicating operation S04 to the detectable substance image after processing by image output module, then the detectable substance image after processing is sent to display unit S05, number after detectable substance image is replicated by the image output module in the present invention keeps consistent with the quantity of the display device in display unit, and each display device sends the detectable substance image of a independent completion；The detectable substance image S06 received by display unit display.The most each display device can show identical detectable substance image, it is also possible to shows different detectable substance images.
It is above item detection systems of the present invention is set forth; it is adapted to assist in and understands the present invention; but embodiments of the present invention are also not restricted to the described embodiments; any without departing from the change made under the principle of the invention, modify, substitute, combine, simplify; all should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. an item detection systems, it is characterized in that, including X-ray machine, image input module, data acquisition module, image processing module, image output module and display unit, wherein, image input module is for receiving the x-ray image signal of X-ray machine, and x-ray image signal is sent to data acquisition module；Data acquisition module is for gathering the x-ray image signal that image input module sends, and the x-ray image signal collected is sent to image processing module；Image processing module for carrying out picture signal reinforcement to x-ray image signal, and the x-ray image signal strengthened is sent to image output module；Image output module is used for X light image signal for the x-ray image signal output that will process through image processing module to display unit, display unit.
2. item detection systems as claimed in claim 1, it is characterized in that, described image input module includes video frequency dividing submodule and VGA video-out port, described video frequency dividing submodule for becoming at least two-way x-ray image signal by x-ray image signal replication, and x-ray image signal is sent to VGA video-out port carries out x-ray image signal output.
3. item detection systems as claimed in claim 1, it is characterised in that described data acquisition module includes that acquisition module, data sub module stored and cache element, described data sub module stored are mechanical hard disk and/or electronic hard disc.
4. item detection systems as claimed in claim 1, it is characterized in that, described image processing module includes DSP image procossing submodule and GPU image procossing submodule, x-ray image signal first passes through and is sent to CPU image procossing submodule after DSP image procossing submodule carries out pretreatment and carries out classification and Detection process, and described pretreatment includes the conversion of color of image space, image enhaucament, image segmentation, Edge extraction etc..
5. item detection systems as claimed in claim 1, it is characterized in that, described image output module includes video frequency dividing submodule and VGA video-out port, described video frequency dividing submodule for becoming at least two paths of signals output by the signal replication that described image output module exports, and x-ray image signal is sent to VGA video-out port carries out x-ray image signal output.
6. item detection systems as claimed in claim 1, it is characterised in that described display unit includes at least two display device, and the quantity of described display device is more than the number of x-ray image signal.
7. item detection systems as claimed in claim 6, it is characterised in that described display device is display screen and/or display terminal, and described display terminal is panel computer and/or smart mobile phone.
8. an article detection method, including:
A) picture signal of detectable substance is obtained by radiation ray Scanning Detction thing；
B) picture signal of data collecting module collected detectable substance；
C) image processing module carries out pretreatment to the picture signal of detectable substance and classification processes；
The picture signal of the detectable substance after d) image output module carries out duplication operation and will process the detectable substance image after processing is sent to display unit；
E) picture signal of the detectable substance that display unit display receives.
9. article detection method as claimed in claim 8, it is characterised in that pretreatment described in above-mentioned steps c) includes the conversion of color of image space, image enhaucament, image segmentation, Edge extraction etc..
10. article detection method as claimed in claim 8, it is characterized in that, number after detectable substance image is replicated by image output module described in above-mentioned steps d) keeps consistent with the quantity of the display device in display unit, and each display device sends the detectable substance image of a independent completion.
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| CN111242905A (en) * | 2020-01-06 | 2020-06-05 | 科大讯飞(苏州)科技有限公司 | Method and equipment for generating X-ray sample image and storage device |
| CN111383197A (en) * | 2020-03-16 | 2020-07-07 | 浙江大华技术股份有限公司 | Method and device for displaying different images by security check machine |
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